CN214007980U

CN214007980U - Belt wheel for transmission of machine tool spindle

Info

Publication number: CN214007980U
Application number: CN202022579245.8U
Authority: CN
Inventors: 魏志伟
Original assignee: Anyang Fuwode Machinery Co ltd
Current assignee: Anyang Fuwode Machinery Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-08-20
Anticipated expiration: 2030-11-10

Abstract

The utility model relates to a lathe main shaft transmission technical field specifically is a band pulley for lathe main shaft transmission, including the device main part, the device main part includes the band pulley body, the belt cell body has been seted up to the inside of band pulley body, the outside of belt cell body is cup jointed and is installed the belt body, spacing recess has been seted up to the inboard of belt body, the outside fixed mounting of belt cell body has spacing sand grip, the outside of belt cell body all even fixed mounting have protruding horizontal bar. The utility model discloses a be provided with spacing recess, spacing sand grip and protruding horizontal bar, can carry out spacing support in space department to the bottom surface of belt body, avoid the belt body to appear to one side skew, solved among the prior art and be used for lathe spindle drive's band pulley after long-time the use, because the belt has elasticity, the condition to one side skew can appear in the belt, can make one side that the skew appears in the belt and take place the wearing and tearing phenomenon with the band pulley inner wall, finally lead to the problem that belt life shortens.

Description

Belt wheel for transmission of machine tool spindle

Technical Field

The utility model relates to a lathe spindle drive technical field specifically is a band pulley for lathe spindle drive.

Background

The machine tool spindle refers to a spindle which drives a workpiece or a cutter to rotate on a machine tool, generally comprises a spindle part, a bearing, a transmission part (a gear or a belt pulley) and the like, and is mainly used for supporting transmission parts such as the gear and the belt pulley in the machine tool and transmitting movement and torque, such as the machine tool spindle; some are used to clamp a workpiece, such as a mandrel.

The belt wheel belongs to a hub part, generally has a large relative size, generally is cast and forged as a main manufacturing process, generally has a large size and is designed to be cast, the material is generally cast iron (the casting performance is good), and the steel is rarely cast (the casting performance of the steel is poor); generally, the belt pulley is small in size, can be designed to be forged, is made of steel, and is mainly used for occasions of transmitting power at a long distance.

At present, be used for the driven band pulley of lathe main shaft among the prior art after long-time the use, because the belt has elasticity, the condition to one side skew can appear in the belt, and in the long run, can make the belt one side that the skew appears take place the wearing and tearing phenomenon with the band pulley inner wall, finally leads to belt life to shorten, consequently, needs the design to be used for the driven band pulley of lathe main shaft to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a band pulley for lathe spindle drive to be used for lathe spindle drive's band pulley after long-time the use among the prior art who proposes in solving above-mentioned background art, because the belt has elasticity, the condition to one side skew can appear in the belt, and in the long run, can make the belt one side that the skew appears and take place the wearing and tearing phenomenon with the band pulley inner wall, finally leads to the problem that belt life shortens.

In order to achieve the above object, the utility model provides a following technical scheme: a band pulley for lathe spindle drive, including the device main part, the device main part includes the band pulley body, the belt cell body has been seted up to the inside of band pulley body, the belt body is cup jointed and installed in the outside of belt cell body, spacing recess has been seted up to the inboard of belt body, the outside fixed mounting of belt cell body has spacing sand grip, the outside of belt cell body all even fixed mounting have protruding horizontal bar, the heat dissipation through-hole has all been seted up to the both sides of band pulley body, and the quantity of heat dissipation through-hole is two, the mounting hole body has been seted up to the inside of band pulley body.

Preferably, the two sides of the belt wheel body are provided with heat dissipation mechanisms, each heat dissipation mechanism comprises four heat dissipation fins, and the number of the heat dissipation fins is four.

Preferably, the belt body is provided with the wearing layer near the one end in the belt groove outside, and the wearing layer is made through wear-resisting material aluminium oxide and melamine resin.

Preferably, the outer surface of the limiting raised line is evenly provided with an installation groove body, and the inside of the installation groove body is fixedly provided with a raised column body.

Preferably, the inner diameter of the heat dissipation through hole is gradually reduced from the outer side of the belt pulley body to the direction close to the belt groove body.

Preferably, both sides of the radiating fin are fixedly provided with reinforcing ribs, and the reinforcing ribs are made of martensitic steel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through being provided with spacing recess, spacing sand grip and protruding horizontal bar, can carry out spacing support in the bottom surface of space department to the belt body, avoid the belt body the condition to one side skew to effectual having solved among the prior art and being used for lathe spindle drive's band pulley after long-time use, because the belt has elasticity, the condition to one side skew can appear in the belt, in the long run, can make the belt one side that the skew appears take place the wearing and tearing phenomenon with the band pulley inner wall, finally lead to the problem that belt life shortens.

2. Through being provided with radiating fin, can be convenient for dispel the heat to the band pulley body of belt cell body both sides, reduce the influence that the higher temperature that the belt cell body produced because of the friction caused to the belt body, the radiating effect of band pulley body has been improved, further through being provided with the strengthening rib, radiating fin's use strength has been increased, further through being provided with the wearing layer, the life of belt body has been prolonged, further through being provided with installation cell body and protruding cylinder, the frictional force of belt body and the increase of belt cell body has been increased, the practicality of this device has been improved, further through being provided with the heat dissipation through-hole, the thermal diffusivity of band pulley body has been increased.

Drawings

FIG. 1 is a schematic view of a front view of a partial section of the structure of the present invention;

FIG. 2 is a schematic side view of the structure of the present invention;

FIG. 3 is a schematic side view of the heat dissipation mechanism of the present invention;

fig. 4 is a partially enlarged schematic view of a structure in fig. 1 according to the present invention.

In the figure: 100. a device main body; 110. a pulley body; 111. a belt trough body; 112. a belt body; 113. a limiting groove; 114. a wear layer; 115. limiting convex strips; 116. installing a groove body; 117. a raised cylinder; 118. a raised horizontal bar; 119. a heat dissipating through hole; 120. a mounting hole body; 200. a heat dissipation mechanism; 210. a heat dissipating fin; 211. and (5) reinforcing ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

a belt wheel for machine tool spindle transmission comprises a device main body 100, the device main body 100 comprises a belt wheel body 110, a belt groove body 111 is arranged inside the belt wheel body 110, a belt body 112 is sleeved outside the belt groove body 111, a limit groove 113 is arranged inside the belt body 112, a limit convex strip 115 is fixedly arranged outside the belt groove body 111, convex cross strips 118 are uniformly and fixedly arranged outside the belt groove body 111, heat dissipation through holes 119 are arranged on two sides of the belt wheel body 110, the number of the heat dissipation through holes 119 is two, a mounting hole body 120 is arranged inside the belt wheel body 110, the bottom surface of the belt body 112 can be limited and supported at a gap, and the situation that the belt body 112 deviates to one side is avoided, so that the problem that the belt wheel for machine tool spindle transmission in the prior art is used for a long time and the belt deviates to one side due to elasticity of the belt is effectively solved, in the past, the phenomenon of abrasion between one side of the belt with deviation and the inner wall of the belt wheel occurs, and finally the service life of the belt is shortened.

Further, the two sides of the belt wheel body 110 are provided with the heat dissipation mechanisms 200, each heat dissipation mechanism 200 comprises four heat dissipation fins 210, the number of the heat dissipation fins 210 is four, heat dissipation can be conveniently performed on the belt wheel body 110 on the two sides of the belt groove 111, the influence of higher temperature generated by friction on the belt body 112 by the belt groove 111 is reduced, and the heat dissipation effect of the belt wheel body 110 is improved.

Further, one end of the belt body 112, which is close to the outer side of the belt groove 111, is provided with a wear-resistant layer 114, and the wear-resistant layer 114 is made of wear-resistant materials, namely aluminum oxide and melamine resin, so that the service life of the belt body 112 is prolonged.

Further, the installation groove body 116 has evenly been seted up to spacing sand grip 115's surface, and the inside of installation groove body 116 is all fixed mounting has protruding cylinder 117, has increased the frictional force of belt body 112 with the increase of belt groove body 111, has improved this device's practicality.

Further, the inner diameter of the heat dissipation through hole 119 gradually decreases from the outside of the pulley body 110 toward the direction close to the belt groove body 111, increasing the heat dissipation of the pulley body 110.

Furthermore, reinforcing ribs 211 are fixedly mounted on both sides of the heat dissipation fin 210, and the reinforcing ribs 211 are made of martensitic steel, so that the use strength of the heat dissipation fin 210 is increased.

The working principle is as follows: during operation, after embedding belt body 112 into belt slot body 111, the bottom surface intermediate position of belt body 112 can receive the spacing support of spacing sand grip 115, and then makes belt body 112 keep unchangeable when rotating the position, avoids belt body 112 to shift towards being close to belt slot body 111 one side gradually, has guaranteed more stability between belt body 112's bottom surface and belt slot body 111.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Belt pulley for the transmission of a spindle of a machine tool, comprising a device body (100), characterized in that: device main part (100) are including band pulley body (110), belt groove body (111) have been seted up to the inside of band pulley body (110), belt body (112) have been installed in the outside cup joint of belt groove body (111), spacing recess (113) have been seted up to the inboard of belt body (112), the outside fixed mounting of belt groove body (111) has spacing sand grip (115), the outside of belt groove body (111) all even fixed mounting have protruding horizontal bar (118), heat dissipation through-hole (119) have all been seted up to the both sides of band pulley body (110), and the quantity of heat dissipation through-hole (119) is two, mounting hole body (120) have been seted up to the inside of band pulley body (110).

2. A pulley for a spindle drive of a machine tool according to claim 1, wherein: the two sides of the belt wheel body (110) are provided with heat dissipation mechanisms (200), each heat dissipation mechanism (200) comprises four heat dissipation fins (210), and the number of the heat dissipation fins (210) is four.

3. A pulley for a spindle drive of a machine tool according to claim 1, wherein: installation groove body (116) have evenly been seted up to the surface of spacing sand grip (115), all fixed mounting has protruding cylinder (117) inside installation groove body (116).

4. A pulley for a spindle drive of a machine tool according to claim 1, wherein: the inner diameter of the heat dissipation through hole (119) is gradually reduced from the outer side of the belt wheel body (110) to the direction close to the belt groove body (111).

5. A pulley for a spindle drive of a machine tool according to claim 2, wherein: both sides of the radiating fin (210) are fixedly provided with reinforcing ribs (211), and the reinforcing ribs (211) are made of martensitic steel.